Approximation -
The process of the elimination of unwanted or unnecessary differences in national legislation within the context of the internal market.
Reference: Professor Derek Urwin, Department of Politics and International Relations, University of Aberdeen, Aberdeen, U.K., http://www.abdn.ac.uk/~pol028/index.htm

Information Superhighway -
The Information Superhighway is a network that will potentially connect every government agency, business, and citizen providing a means of rapid access to information (in digital form) and electronic communication to every business and citizen in the country. This vision is an unprecedented nationwide (and ultimately worldwide) electronic communications network
Reference: ECRC University of Scranton / Defense Logistics Agency